diff options
| author | ajreynol <andrew.j.reynolds@gmail.com> | 2015-10-15 15:57:03 +0200 |
|---|---|---|
| committer | ajreynol <andrew.j.reynolds@gmail.com> | 2015-10-15 15:57:03 +0200 |
| commit | 614080814375998f494adc839484f455b31a5f43 (patch) | |
| tree | cbbb71338e2bc4372862124d97cc7a9a5bac8726 /src/theory/strings/kinds | |
| parent | f4420f2a1f82ee4a2f86d6d4318286d21520e280 (diff) | |
Change semantics of str.substr to allow endpoint out of bounds, and return empty string for error conditions. Improve rewriter for str.substr.
Diffstat (limited to 'src/theory/strings/kinds')
| -rw-r--r-- | src/theory/strings/kinds | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/src/theory/strings/kinds b/src/theory/strings/kinds index 0f68d1207..3cdff9cba 100644 --- a/src/theory/strings/kinds +++ b/src/theory/strings/kinds @@ -15,9 +15,8 @@ typechecker "theory/strings/theory_strings_type_rules.h" operator STRING_CONCAT 2: "string concat (N-ary)" operator STRING_IN_REGEXP 2 "membership" operator STRING_LENGTH 1 "string length" -operator STRING_SUBSTR 3 "string substr (user symbol)" -operator STRING_SUBSTR_TOTAL 3 "string substr (internal symbol)" -operator STRING_CHARAT 2 "string charat (user symbol)" +operator STRING_SUBSTR 3 "string substr" +operator STRING_CHARAT 2 "string charat" operator STRING_STRCTN 2 "string contains" operator STRING_STRIDOF 3 "string indexof" operator STRING_STRREPL 3 "string replace" @@ -107,7 +106,6 @@ typerule STRING_TO_REGEXP ::CVC4::theory::strings::StringToRegExpTypeRule typerule STRING_CONCAT ::CVC4::theory::strings::StringConcatTypeRule typerule STRING_LENGTH ::CVC4::theory::strings::StringLengthTypeRule typerule STRING_SUBSTR ::CVC4::theory::strings::StringSubstrTypeRule -typerule STRING_SUBSTR_TOTAL ::CVC4::theory::strings::StringSubstrTypeRule typerule STRING_CHARAT ::CVC4::theory::strings::StringCharAtTypeRule typerule STRING_STRCTN ::CVC4::theory::strings::StringContainTypeRule typerule STRING_STRIDOF ::CVC4::theory::strings::StringIndexOfTypeRule |